Who knew the Mossberg Shockwave would expand the 590 series? Not too long ago, Mossberg introduced three 590s: two 20-gauge models and a .410. Mossberg has long made 500s in the sampler gauge/caliber, but it’s new to the 590 world. The 590 has traditionally been a 12 gauge. However, the Shockwave has always been a […]
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